% !Mode:: "TeX:UTF-8"%確保文檔utf-8編碼
\documentclass[tikz,border=2pt]{standalone}
\usepackage{pgfplots}
\pgfplotsset{compat=newest}
\definecolor{cf0f0f0}{RGB}{240,240,240}
\begin{document}
\begin{tikzpicture}

\draw (0,0) circle (1);
\filldraw[fill=cf0f0f0] (0,0) circle (0.85);


\filldraw[fill=white] (-0.2,-1.2) rectangle (0.2,1.2);

\fill (0,0) circle (0.05);

\draw (0,1.2) -- (0,1.3)  arc (90:-180:-0.18);
\draw (0,-1.2) -- (0,-1.3)  arc (90:-180:0.18);

\end{tikzpicture}
\end{document}